Increase max_inflight to 100 (#86)

Author: joaquim-verges

server/src/queue/manager.rs

@@ -257,7 +257,7 @@ impl QueueManager {
             namespace: queue_config.execution_namespace.clone(),
             redis: redis_client.get_connection_manager().await?,
             authorization_cache,
-            max_inflight: 20,
+            max_inflight: 100,
             max_recycled_nonces: 50,
             eoa_metrics,
             kms_client_cache,